On 27.05.20 15:53, Nikhil Devshatwar wrote: > > > On 27/05/20 7:18 pm, Jan Kiszka wrote: >> On 27.05.20 15:28, Nikhil Devshatwar wrote: >>> >>> >>> On 27/05/20 6:41 pm, Jan Kiszka wrote: >>>> On 27.05.20 14:32, [email protected] wrote: >>>>> From: Nikhil Devshatwar <[email protected]> >>>>> >>>>> Number of peers available on a platform is different. >>>>> Do not hard code the target peer_id used for interrupt. >>>>> Parse this from the command line argument. >>>>> >>>>> This de-couples the dependency between number of peers. >>>>> ivshmem-demo can be run to communicate with desired target >>>> >>>> No command line, please. We can do (<ID> + 1) % <Maximum Peers> as >>>> target. All that is accessible via the register interface. But then all >>> >>> >>> I believe, as of now, only root cell can communicate with peer1, peer2, >>> etc. Non root cells cannot communicate with each other. >>> Please correct me if I am wrong. >>> >> >> Not all targets have been enabled for the "triangle" setup, but if you >> look at qemu-arm64, e.g., you can see that pattern. >> >>> (id + 1)% max_num_peers logic won't work for a 3peer scenario where >>> root cell app(id=0) wants to communicate with baremetal(id=2) >>> e.g. qemu-arm64 has these ids. >>> >> >> Then we need to adjust that. It doesn't matter who sends whom, just >> everyone should send something and everyone should receive something in >> the end. >> > > In QEMU, root (id = 0) linux-demo(id = 1) and baremetal(id = 2) > > 0 should be able to to 1 and 2 > Here you should choose if you want to communicate with baremetal or > linux-demo. There is no way this can be automatically figured out. > That's why I added an argument.
Every peer can talk to every other peer in those setups. It's just that the demos are built in a way that each peer has a single notification target, by convention, not by cell configuration. Jan -- Siemens AG, Corporate Technology, CT RDA IOT SES-DE Corporate Competence Center Embedded Linux -- You received this message because you are subscribed to the Google Groups "Jailhouse" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/jailhouse-dev/08222d8d-39d1-1514-2259-891f95f20697%40siemens.com.
